/*************************************************************************
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA  02111-1307  USA
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (the "License"); You may not use this file
 *  except in compliance with the License. You may obtain a copy of the
 *  License at http://www.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an "AS IS" basis,
 *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
 *
 *  The Initial Developer of the Original Code is: IBM Corporation
 *
 *  Copyright: 2008 by IBM Corporation
 *
 *  All Rights Reserved.
 *
 *  Contributor(s): _______________________________________
 *
 *
 ************************************************************************/
/*****************************************************************************
 * Change History
 * Mar 2005			revised for new processing procedure.
 * Jan 2005			created
 ****************************************************************************/
#include "lwpsdwgrouploaderv0102.hxx"
#include "lwpdrawobj.hxx"
#include "lwptools.hxx"
#include "lwpcharsetmgr.hxx"
#include "lwpgrfobj.hxx"
#include "lwpframelayout.hxx"

#include "xfilter/xfcolor.hxx"
#include "xfilter/xfdrawline.hxx"
#include "xfilter/xfdrawpath.hxx"
#include "xfilter/xfdrawpolyline.hxx"
#include "xfilter/xfdrawrect.hxx"
#include "xfilter/xfdrawellipse.hxx"
#include "xfilter/xfdrawpolygon.hxx"
#include "xfilter/xfdrawgroup.hxx"
#include "xfilter/xfdrawcircle.hxx"
#include "xfilter/xfdrawstyle.hxx"
#include "xfilter/xfdrawlinestyle.hxx"
#include "xfilter/xfparagraph.hxx"
#include "xfilter/xfstylemanager.hxx"
#include "xfilter/xfdrawgroup.hxx"

LwpSdwGroupLoaderV0102::LwpSdwGroupLoaderV0102(SvStream* pStream, LwpGraphicObject* pGraphicObj, 
	IXFStream* pOutputStream)
:m_pStream(pStream), m_pGraphicObj(pGraphicObj), m_pOutputStream(pOutputStream)
{
}
LwpSdwGroupLoaderV0102::~LwpSdwGroupLoaderV0102(void)
{
}

// add by , 03/25/2005
/**
 * @descr   entry of lwp-drawing objects. the functin begins to parse the sdw-drawing bento stream and create
 *		the corresponding drawing objects.
 * @param   pDrawObjVector   a container which will contains the created drawing object of XF-Model.
 */
void LwpSdwGroupLoaderV0102::BeginDrawObjects(std::vector <XFFrame*>* pDrawObjVector)
{
	// save the container
	m_pDrawObjVector = pDrawObjVector;

	//flag
	unsigned char BinSignature[2];
	m_pStream->Read(BinSignature,2);
	if (BinSignature[0] != 'S' || BinSignature[1] != 'M')
	{
		assert(false);
		return;
	}
	//version
	unsigned short nVersion;
	m_pStream->Read(&nVersion,2);
	if (nVersion<0x0102)
	{
		assert(false);
		return;
	}
	// topObj, botObj
	m_pStream->SeekRel(4); 
	//record count
	unsigned short nRecCount;
	m_pStream->Read(&nRecCount,2); 
	// selCount
	m_pStream->SeekRel(2); 
	//boundrect
	unsigned short left,top,right,bottom;
	m_pStream->Read(&left,2); 
	m_pStream->Read(&top,2); 
	m_pStream->Read(&right,2); 
	m_pStream->Read(&bottom,2); 
	// fileSize
	m_pStream->SeekRel(2); 

	//for calculating transformation params.
	LwpFrameLayout* pMyFrameLayout = static_cast<LwpFrameLayout*>(m_pGraphicObj->GetLayout(NULL));
	if (pMyFrameLayout)
	{
		LwpLayoutScale* pMyScale = pMyFrameLayout->GetLayoutScale();
		LwpLayoutGeometry* pFrameGeo = pMyFrameLayout->GetGeometry();
		if (pMyScale && pFrameGeo)
		{
			// original drawing size
			long nWidth = 0, nHeight = 0;
			m_pGraphicObj->GetGrafOrgSize(nWidth, nHeight);
			double fGrafOrgWidth = (double)nWidth/TWIPS_PER_CM;
			double fGrafOrgHeight = (double)nHeight/TWIPS_PER_CM;

			// get margin values
			double fLeftMargin = pMyFrameLayout->GetMarginsValue(MARGIN_LEFT);
//			double fRightMargin = pMyFrameLayout->GetMarginsValue(MARGIN_RIGHT);
			double fTopMargin = pMyFrameLayout->GetMarginsValue(MARGIN_TOP);
//			double fBottomMargin = pMyFrameLayout->GetMarginsValue(MARGIN_BOTTOM);

			// frame size
			double fFrameWidth = LwpTools::ConvertFromUnitsToMetric(pFrameGeo->GetWidth());
			double fFrameHeight = LwpTools::ConvertFromUnitsToMetric(pFrameGeo->GetHeight());

			// get frame offset
			LwpPoint* pOffset = pMyScale->GetOffset();
			double fOffsetX = LwpTools::ConvertFromUnitsToMetric(pOffset->GetX());
			double fOffsetY = LwpTools::ConvertFromUnitsToMetric(pOffset->GetY());

			// get scale mode
			sal_uInt16 nScalemode = pMyScale->GetScaleMode();

			if (nScalemode & LwpLayoutScale::CUSTOM)
			{
				m_aTransformData.fScaleX =
					LwpTools::ConvertFromUnitsToMetric(pMyScale->GetScaleWidth()) / fGrafOrgWidth;
				m_aTransformData.fScaleY =
					LwpTools::ConvertFromUnitsToMetric(pMyScale->GetScaleHeight()) / fGrafOrgHeight;
			}
			else if (nScalemode & LwpLayoutScale::PERCENTAGE)
			{
				double fScalePercentage = (double)pMyScale->GetScalePercentage() / 1000;
				m_aTransformData.fScaleX = fScalePercentage;
				m_aTransformData.fScaleY = fScalePercentage;
			}
			else if (nScalemode & LwpLayoutScale::FIT_IN_FRAME)
			{
				double fWidth0 = (double)right / TWIPS_PER_CM;
				double fHeight0 = (double)bottom / TWIPS_PER_CM;

				double fWidth1 = LwpTools::ConvertFromUnitsToMetric(pMyScale->GetScaleWidth());
				double fHeight1 = LwpTools::ConvertFromUnitsToMetric(pMyScale->GetScaleHeight());

				double fScaleX = fWidth1 / fWidth0;
				double fScaleY = fHeight1 / fHeight0;
				
				if (nScalemode & LwpLayoutScale::MAINTAIN_ASPECT_RATIO)
				{
					m_aTransformData.fScaleX = std::min(fScaleX, fScaleY);
					m_aTransformData.fScaleY = m_aTransformData.fScaleX;
				}
				else
				{
					m_aTransformData.fScaleX = fWidth1 / fWidth0;
					m_aTransformData.fScaleY = fHeight1 / fHeight0;
				}
			}
			
			// placement: centered
			if (pMyFrameLayout->GetScaleCenter())
			{
				Rectangle aBoundRect(left*m_aTransformData.fScaleX + fLeftMargin,
					top*m_aTransformData.fScaleY + fTopMargin,
					right * m_aTransformData.fScaleX,
					bottom * m_aTransformData.fScaleY);
				Point aCenter = aBoundRect.Center();

				double fNewCenterX = (double(left)/TWIPS_PER_CM + fFrameWidth/*-fOffsetX*/) / 2;
				double fNewCenterY = (double(top)/TWIPS_PER_CM + fFrameHeight/*-fOffsetY*/) / 2;

				m_aTransformData.fOffsetX = fNewCenterX - (double)aCenter.X()/TWIPS_PER_CM;
				m_aTransformData.fOffsetY = fNewCenterY -(double)aCenter.Y()/TWIPS_PER_CM;
			}
			else
			{
				m_aTransformData.fOffsetX = fOffsetX;
				m_aTransformData.fOffsetY = fOffsetY;
			}

			m_aTransformData.fOffsetX += fLeftMargin;
			m_aTransformData.fOffsetY += fTopMargin;
			m_aTransformData.fLeftMargin = fLeftMargin;
			m_aTransformData.fTopMargin = fTopMargin;
		}
	}
	
	//load draw object
	for (unsigned short i = 0; i < nRecCount; i++)
	{
		XFFrame* pXFDrawObj = this->CreateDrawObject();

		if (pXFDrawObj)
		{
			pDrawObjVector->push_back(pXFDrawObj);
		}
	}
}

/**
 * @descr   when we encounter a group object the function will be called to create a XF-drawgroup object
 *		the corresponding drawing objects.
 * @param   pDrawObjVector   a container which will contains the created drawing object of XF-Model.
 */
XFDrawGroup* LwpSdwGroupLoaderV0102::CreateDrawGroupObject(void)
{
	//flag
	unsigned char BinSignature[2];
	m_pStream->Read(BinSignature,2);
	if (BinSignature[0] != 'S' || BinSignature[1] != 'M')
	{
		assert(false);
		return NULL;
	}
	//version
	unsigned short nVersion;
	m_pStream->Read(&nVersion,2);
	if (nVersion<0x0102)
	{
		assert(false);
		return NULL;
	}
	// topObj, botObj
	m_pStream->SeekRel(4); 
	//record count
	unsigned short nRecCount;
	m_pStream->Read(&nRecCount,2); 
	// selCount
	m_pStream->SeekRel(2); 
	//boundrect
	unsigned short left,top,right,bottom;
	m_pStream->Read(&left,2); 
	m_pStream->Read(&top,2); 
	m_pStream->Read(&right,2); 
	m_pStream->Read(&bottom,2); 
	// fileSize
	m_pStream->SeekRel(2); 

	XFDrawGroup* pXFDrawGroup = new XFDrawGroup();
	
	//load draw object
	for (unsigned short i = 0; i < nRecCount; i++)
	{
		XFFrame* pXFDrawObj = this->CreateDrawObject();

		if (pXFDrawObj)
		{
			if (pXFDrawObj->GetFrameType() == enumXFFrameImage)
			{
				m_pDrawObjVector->push_back(pXFDrawObj);
			}
			else
			{
				pXFDrawGroup->Add(pXFDrawObj);
			}
		}
	}

	return pXFDrawGroup;
}

/**
 * @descr   Create the XF-drawing objects according to the object type read from bento stream.
 * @return   the created XF-drawing objects.
 */
XFFrame* LwpSdwGroupLoaderV0102::CreateDrawObject(void)
{
	//record type
	unsigned char recType;
	m_pStream->Read(&recType,1); 

	LwpDrawObj* pDrawObj = NULL;
	XFFrame* pRetObjct = NULL;
	
	switch(recType)
	{
	case OT_PERPLINE://fall-through
	case OT_LINE:
	{
		pDrawObj = new LwpDrawLine(m_pStream, &m_aTransformData);
		break;
	}
	case OT_POLYLINE:
	{
		pDrawObj = new LwpDrawPolyLine(m_pStream, &m_aTransformData);
		break;
	}
	case OT_POLYGON:
	{
		pDrawObj = new LwpDrawPolygon(m_pStream, &m_aTransformData);
		pDrawObj->SetObjectType(OT_POLYGON);
		break;
	}
	case OT_SQUARE://fall-through
	case OT_RECT:
	{
		pDrawObj = new LwpDrawRectangle(m_pStream, &m_aTransformData);
		break;
	}
	case OT_RNDSQUARE://fall-through
	case OT_RNDRECT:
	{
		pDrawObj = new LwpDrawRectangle(m_pStream, &m_aTransformData);
		pDrawObj->SetObjectType(OT_RNDRECT);
		break;
	}
	case OT_CIRCLE://fall-through
	case OT_OVAL:
	{
		pDrawObj = new LwpDrawEllipse(m_pStream, &m_aTransformData);
		break;
	}
	case OT_ARC:
	{
		pDrawObj = new LwpDrawArc(m_pStream, &m_aTransformData);
		break;
	}
	case OT_TEXT:
	{
		pDrawObj = new LwpDrawTextBox(m_pStream);
		break;
	}
	case OT_TEXTART:
	{
		pDrawObj = new LwpDrawTextArt(m_pStream, &m_aTransformData);
		pDrawObj->SetObjectType(OT_TEXTART);
		break;
	}
	case OT_GROUP:
	{
		m_pStream->SeekRel(2);
		// read out the object header
		pDrawObj = new LwpDrawGroup(m_pStream);
		
		pRetObjct = this->CreateDrawGroupObject();

		// set anchor type
		pRetObjct->SetAnchorType(enumXFAnchorFrame);
		break;
	}
	case OT_CHART://fall-through
	case OT_METAFILE://fall-through
	case OT_METAFILEIMG:
	{
		LwpDrawMetafile aMeta(m_pStream);
		break;
	}
	case OT_BITMAP:
		pDrawObj = new LwpDrawBitmap(m_pStream);
		pDrawObj->SetObjectType(OT_BITMAP);
		break;
	}

	// we don't need create the corresponding XF-object of a group object.
	if (pDrawObj && recType != OT_GROUP)
	{
		pRetObjct = pDrawObj->CreateXFDrawObject();		
	}

	if (pDrawObj)
	{
		delete pDrawObj;
		pDrawObj = NULL;
	}
	
	return pRetObjct;
}
// end add
